What is the maximum ADU size allowed in West Hills?

Detached ADUs in West Hills can be up to 1200 square feet.

ADU Builders & Contractors in West Hills, CA

Q: How much does it cost to build an ADU in West Hills?

The average cost ranges from $147,000 to $322,000, or $197-372 per square foot.

Q: How long does it take to get an ADU permit in West Hills?

The permit process typically takes 60 to 120 weeks in West Hills.

West Hills, CA is home to 296 ADU contractors ready to help. From initial permits to final inspection, these local professionals know West Hills's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for West Hills

Avg. Cost/sqft

$197-$372

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 296 ADU Contractors in West Hills

🏗️

#1CREATIVE TOUCH CONSTRUCTION CORP

West Hills, CA

Creative Touch Construction Corp — licensed ADU contractor in West Hills, CA. Detached ADU construction. 10+ years experience.

View Profile 📞 (818) 900 6000

🏗️

#2UPWARD BUILDERS

West Hills, CA

Upward Builders — licensed ADU contractor in West Hills, CA. Detached ADU construction. 16+ years experience.

View Profile 📞 (818) 324 0707

🏗️

#3IMPOLA RICHARD CONSTRUCTION

West Hills, CA

Impola Richard Construction — licensed ADU contractor in West Hills, CA. Detached ADU construction. 37+ years experience.

View Profile 📞 (818) 314 3104

🏗️

#4UP N ADAM CONSTRUCTION

West Hills, CA

UP N Adam Construction — licensed ADU contractor in West Hills, CA. Detached ADU construction. 28+ years experience.

View Profile 📞 (818) 618 6322

🏗️

#5SHOBEIRI AMIRHOSSEIN

West Hills, CA

Shobeiri Amirhossein — licensed ADU contractor in West Hills, CA. Detached ADU construction. 6+ years experience.

View Profile 📞 (316) 500 8739

🏗️

#6HAGIT LEVI ABAYOV

West Hills, CA

Hagit Levi Abayov — licensed ADU contractor in West Hills, CA. Detached ADU construction.

View Profile 📞 (818) 577 9588

🏗️

#7ONEGMA DEVELOPMENT LLC

West Hills, CA

Onegma Development Llc — licensed ADU contractor in West Hills, CA. Detached ADU construction.

View Profile 📞 (747) 235 8053

🏗️

#8A2Z-REMODELER LLC

West Hills, CA

A2z-Remodeler Llc — licensed ADU contractor in West Hills, CA. Detached ADU construction.

View Profile 📞 (818) 536 1510

🏗️

#9ADU 4 YOU

West Hills, CA

Adu 4 You — licensed ADU contractor in West Hills, CA. Detached ADU construction.

View Profile 📞 (877) 622 4001

🏗️

#10SHAH CONSTRUCT INC

West Hills, CA

Shah Construct Inc — licensed ADU contractor in West Hills, CA. Detached ADU construction.

View Profile 📞 (818) 534 6679

View All 296 Contractors →

💰 How Much Does an ADU Cost in West Hills?

Garage Conversion

$68,500 - $128,500

Converting existing garage to living space

Detached ADU

$147,000 - $322,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,101 - $5,101

Plan check, permits, utility connections

* Costs vary based on size, finishes, site conditions, and contractor. Get quotes from multiple West Hills contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in West Hills

How much does it cost to build an ADU in West Hills?▼

The average cost to build an ADU in West Hills ranges from $147,000 to $322,000, or approximately $197 to $372 per square foot. Garage conversions typically cost $68,500 to $128,500.

How long does it take to get an ADU permit in West Hills?▼

The ADU permit process in West Hills typically takes 60 to 120 weeks. California law requires cities to approve or deny ADU permits within 60 days of receiving a complete application.

What are the ADU size limits in West Hills?▼

In West Hills, detached ADUs can be up to 1200 square feet. Attached ADUs are limited to 50% of the primary dwelling or 1,200 sqft, whichever is less. Junior ADUs (JADUs) are limited to 500 sqft and must be within the existing home.

What is the setback requirement for ADUs in West Hills?▼

West Hills requires 4-foot setbacks from side property lines and 4-foot setbacks from rear property lines for new ADU construction. Converted structures (like existing garages) may maintain their current setbacks.

Do I need to provide parking for my ADU in West Hills?▼

No parking is required for ADUs in West Hills if your property is within half a mile of public transit, in a historic district, part of an existing multi-family building, or if the ADU is a garage conversion. Otherwise, one space may be required.

Also See ADU Contractors In

Los Angeles (3215)San Diego (2582)San Francisco (2170)Sacramento (1551)Riverside (925)Fresno (904)Anaheim (784)Irvine (760)

Ready to Build Your ADU in West Hills?

Get free quotes from top-rated local contractors

Find Contractors Now

← View all contractors in California